import { hi } from './m'
function sum(a: number, b: number) {
    return a + b
}

const obj = { name: "张三", age: 33 }
console.log(obj)
obj.age = 18
console.log(obj)

console.log(sum(123, 456))
console.log(hi)

// 使用corejs内部实现的Promise代码
// console.log(Promise)
